package com.example.workshop.lesson9;
import com.example.workshop.lesson9.CollaborativeFilter;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.FilterType;

@SpringBootApplication
@ComponentScan(basePackages ="com.example.workshop.lesson10")
@ComponentScan(includeFilters = @ComponentScan.Filter(
     type= FilterType.REGEX,
       pattern = "com.example.workshop.lesson9.*")
)
public class MovieRecommenderSystemApplication {

    public static void main(String[] args) {
        ApplicationContext appContext=SpringApplication.run(
                MovieRecommenderSystemApplication.class,args);

        //从Application中获得并打印Singleton Bean
        ContentBasedFilter filter=appContext.getBean(ContentBasedFilter.class);
        System.out.println("\nContentBasedFilter bean with singleton scope");
        System.out.println(filter);

        Movie movie1=filter.getMovie();
        Movie movie2=filter.getMovie();
        Movie movie3=filter.getMovie();

        System.out.println("Movie Bean with prototype scope");
        System.out.println(movie1);
        System.out.println(movie2);
        System.out.println(movie3);

        //打印每种Bean的实例数目
        System.out.println("Movie filter instances"+Movie.getInstances());
        System.out.println("ContentBasedFilter instances"+ContentBasedFilter.getInstances());
    }
}


